James was exposed to a pathogen when he was 10 years old and felt ill. what would most likely happen if he were exposed to the same pathogen when he is 12 years old? a his body would destroy the pathogen before he felt symptoms. b his reaction to the pathogen would be worse than the first. c his antibodies would decrease, since he had been exposed already. d new types of antibodies would be made in response to the second exposure.
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Biology, 22.06.2019 03:00, ghkfkhgm859
Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .
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Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight
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Gregor mendel is best known for his work with pea plants and for uncover many of the mysteries of genetics. one of his major findings stated that there were specific, physical units of inheritance that are transmitted during reproduction. what is the the name given to these units of inheritance which can be found on chromosomes? a) centromeres b) cytoplasm c) genes d) nucleotides
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James was exposed to a pathogen when he was 10 years old and felt ill. what would most likely happen...
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